12455690244678 has 48 divisors (see below), whose sum is σ = 28165119986640. Its totient is φ = 4125451520736.

The previous prime is 12455690244677. The next prime is 12455690244719. The reversal of 12455690244678 is 87644209655421.

12455690244678 is a `hidden beast` number, since 1 + 2 + 4 + 5 + 569 + 0 + 2 + 4 + 4 + 67 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12455690244677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81544693 + ... + 81697296.

It is an arithmetic number, because the mean of its divisors is an integer number (586773333055).

Almost surely, 2^{12455690244678} is an apocalyptic number.

12455690244678 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12455690244678 is an abundant number, since it is smaller than the sum of its proper divisors (15709429741962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12455690244678 is a wasteful number, since it uses less digits than its factorization.

12455690244678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163242163 (or 163242151 counting only the distinct ones).

The product of its (nonzero) digits is 116121600, while the sum is 63.

The spelling of 12455690244678 in words is "twelve trillion, four hundred fifty-five billion, six hundred ninety million, two hundred forty-four thousand, six hundred seventy-eight".